Strafe Absolut Giraffe binding of isaac item unlocks Mehrheit Nebu Destillation
Repentance Character Unlock Sheet Guide : r/bindingofisaac
Steam Community :: Guide :: How to unlock every Character in Rebirth /AB/AB+/Repentance
Steam Community :: :: Character Unlock Sheet for AB+
Tainted character unlock legend : r/bindingofisaac
Binding of Isaac: 12 Broken New Items In Repentance
My "What should I unlock first" List for the Normal and Tainted Characters : r/bindingofisaac
Repentance Character Unlock Sheet Guide : r/bindingofisaac
I made a chart showing every non-tainted character unlock and its respective quality rating : r/bindingofisaac
Top 5 Easy Unlocks in The Binding of Isaac: Repentance - YouTube
I created a table which shows the items you can unlock by killing different bosses with different characters. You can just print it out and check the items you've already unlocked. :